Coating method and corresponding coating installation

A coating installation for coating a component with a coating agent, having

• a) a first multi-axis coating robot,
• b) a first application device which is moved by the first coating robot along a predetermined coating path over the surface of the component to be coated,
• c) a measuring system for spatial measurement of the component to be coated,
• d) a control unit
• d1) for controlling the first application device, and
• d2) for controlling the first coating robot according to the predetermined coating path, so that the application device moves along the predetermined coating path and coats the component on the coating path, and
• d3) for interrogating the measuring system to determine the spatial position of the component to be coated,
• e) wherein the control unit controls the first multi-axis coating robot and the first application device and interrogates the measuring system to:
• e1) specify at least one coating path for moving a paint impact point of an application device along the specified at least one coating path over the surface of the component to be coated, the at least one coating path running through a surface region of the component to be coated which is bounded by edges,
• e2) preset one of a plurality of reference values for a plurality of spatial edge point positions on the edges of the surface region,
• e3) measure one of a plurality of spatial end point positions of the component to be coated with the measuring system to create a plurality of measured values,
• e4) determine a deviation between the measured values and the reference values, and
• e5) adapt the coating path as a function of the deviation between the reference values of the edge points and the measured values of the edge points,
• f) a second coating robot,
• g) a second application device which is moved by the second coating robot,
• h) wherein the surface region is divided into a first sub-region and a second sub-region which are directly adjacent to one another,
• i) wherein the control unit controls the first coating robot and the first application device to apply a delimiting application path between the first and second sub-regions, and
• j) wherein the control unit controls the second coating robot to measure the second sub-region, including the delimiting application path, and coat the second sub-region with the coating agent.

A coating method for coating a component with a coating agent, comprising:

• a) specifying at least one coating path for moving a paint impact point of an application device along the specified at least one coating path over the surface of the component to be coated, the at least one coating path running through a surface region of the component to be coated which is bounded by edges,
• b) presetting one of a plurality of reference values for a plurality of spatial edge point positions on the edges of the surface region,
• c) measuring one of a plurality of spatial end point positions of the component to be coated with a measuring system to create a plurality of measured values,
• d) determining a deviation between the measured values and the reference values,
• e) adapting the coating path as a function of the deviation between the reference values of the edge points and the measured values of the edge points, and
• f) adapting the coating path in such a way that temperature-related positioning inaccuracies of the coating robot are at least partially compensated, wherein
• g) the surface region on the component is coated by a first coating robot and a second coating robot,
• h) the surface region on the component is divided into a first sub-region and a second sub-region which are directly adjacent to one another,
• i) the first coating robot applies a delimiting application path between the first and second sub-regions,
• j) the second coating robot measures the second sub-region, including the delimiting application path, and
• k) the second coating robot coats the second sub-region with the coating agent.